quickstart: incorporate "Hipster shop" demo

[odeke-em]

@rghetia instrumented @mtwo's "Hipstershop demo" and published https://medium.com/@rghetia/distributed-tracing-and-monitoring-using-opencensus-fe5f6e9479fb

Just like some companies/projects like:

• Weaveworks have made fully fledged demos e.g. https://microservices-demo.github.io/ which I believe might have been the inspiration for the subject demo
• Istio https://istio.io/docs/setup/kubernetes/quick-start/

Let's think of how to incorporate the instrumented demo into a quickstart perhaps but also ensure that the steps to create it and be usable by users are few and that they can extract utility out of it without getting lost or overwhelmed

/cc @rakyll @shahprit @rghetia @hvent90 @mtwo @songy23

[shahprit]

On the left pane, I'd like to see something like "Download and play"...the content could be copy paste / link of the hipstershop blog